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JPS57163889

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DESCRIPTION JPS57163889
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 to FIG. 4 are diagrams for explaining the prior
art, FIG. 5 is a front view of a speaker device according to an embodiment of the present
invention, and FIG. 6 is a side sectional view thereof. Fig. 7 is an enlarged front view of a high
sound speaker unit, and Fig. 8 is a side sectional view thereof. DESCRIPTION OF SYMBOLS 1 ...
speaker box main body, 2 ... speaker unit for low-pitched sound, 3 ... speaker unit for highpitched sound, 4 ... unit stop fixture by which anti-vibration processing was carried out, 5 .....
speaker unit 3 and baffle Space part of 6: air leakage prevention back cavity, b: sound absorbing
material, 8: end stop.
[Detailed description of the invention] To this invention, a speaker unit other than a speaker unit
for bass among a plurality of sub-cabinets of 2 WAy or more is attached to a baffle Kl 1 of a box
body! In the case of enclosure improvement. Heretofore, it has been directly mounted on the
baffle of the speaker box main body as one form of mounting the speaker unit on the speaker
box. In that case, the necessary small wax holes were drilled on the baffle surface, and air + 11/1)
■ PF3 was mounted directly with wood screws, bolts, etc., using a parallel plate for leak
prevention. 1 is a front view of a conventional speaker tube, FIG. 2 is a side sectional view
thereof, FIG. 3 is an enlarged front view of a mounting portion of the high sound speaker unit,
and FIG. 4 is a side sectional view thereof. FIG. In the figure, 1 is a speaker box main body, 2 is a
bass speaker unit, and 3 is a treble speaker unit. However, when such an attachment is
structured, the vibration of the bass speaker unit having the largest vibration energy transmits
the unit frame), and the full plate is vibrated, and the speaker receives the medium frequency
range or more. It was irritated that the sound emitted from the unit group ν was modulated and
the sound quality of the reproduced sound was deteriorated. The present invention is intended to
improve such a problem, and a wooden screw, a pole, etc. are directly attached to the baffle
surface of the speaker box main body that accommodates the speaker, except for the speaker
unit other than the speaker unit having a low frequency range. Do not attach at the same time, so
02-05-2019
1
that the largest outer part of Enit's own frame does not contact at least directly on the baffle
surface of the speaker box body & with 1l IE, make holes and minimize surface area button 4s!
Secure the space between the frame of the speaker unit and the baffle plate with a round bar or
plate. As a result, due to the baffle plate vibration with a large amplitude generated by the low
noise unit, the modulation received by the speaker unit group serving the middle range or more
is reduced, and the deterioration of the sound quality can be prevented. Hereinafter, the details of
the present invention will be described with reference to the drawings. FIG. 5 is a front view of a
speaker device according to an embodiment of the present invention, and FIG. 6 is a side
sectional view thereof. 11E7) is an enlarged front view of the 'attachment of a high sound
speaker unit as an example of the present invention, and FIG. 8 WI is a side sectional view
thereof. The speaker box IK bass speaker unit 2 and the treble speaker unit 3 are housed, but the
treble speaker unit 3 is in direct contact with the baffle surface of the speaker box main body 1
as shown in FIG. Don't touch it? !
The space 5 is secured and fixed to the baffle with a bar or plate-like stopper 4 so as to minimize
the surface area subjected to the anti-photographing process. In this case, the pack cavity 6 filled
with the sound absorbing material 7 is removed as shown in FIG. 8 to prevent the air in the
speaker box main body from leaking from the space 5. According to the present invention, since
the reproduced sound from the high-tone speaker unit 3 is not directly modulated by the harmful
baffle plate vibration transmitted from the frame of the low-pitch speaker unit 2, the sound
quality deterioration due to K is greatly increased. It can be prevented.
02-05-2019
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